/* 全局样式 */
:root {
    --primary-color: #4a6bff;
    --secondary-color: #ff6b6b;
    --accent-color: #6bffb8;
    --dark-color: #333;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #666;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    color: var(--dark-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3a5bef;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(74, 107, 255, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 头部样式 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* 英雄区域样式 */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f7ff 0%, #e8f0ff 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0);
}

/* 功能特点样式 */
.features {
    padding: 100px 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
}

/* 应用截图样式 */
.screenshots {
    padding: 100px 0;
    background-color: #f5f7ff;
}

.screenshot-slider {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.screenshot-container {
    display: flex;
    transition: transform 0.5s ease;
}

.screenshot {
    min-width: 280px;
    height: 500px;
    margin: 0 15px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 20px;
}

.prev-btn, .next-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

/* 下载区域样式 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #4a6bff 0%, #6b4aff 100%);
    color: white;
    text-align: center;
}

.download .section-title {
    color: white;
}

.download .section-title::after {
    background: white;
}

.download-desc {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    background-color: white;
    color: var(--primary-color);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.download-btn i {
    font-size: 2rem;
    margin-right: 15px;
}

.download-btn span {
    text-align: left;
    line-height: 1.2;
}

.download-btn small {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

.qr-code {
    max-width: 200px;
    margin: 0 auto;
}

.qr-code img {
    width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    background-color: white;
    padding: 10px;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background-color: white;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.contact-info, .contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
}

.social-media {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icon i {
    display: inline-block !important;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 70px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 1;
    min-width: 300px;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .cta-buttons {
        justify-content: center;
    }

    .feature-card {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 0;
    }

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: white;
        transition: var(--transition);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        padding: 30px;
    }

    nav ul li {
        margin: 0 0 20px 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero {
        padding: 120px 0 70px;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .features, .screenshots, .download, .contact {
        padding: 70px 0;
    }

    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }

    .download-options {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
    }
} 